fix(notifications): 发送邮件通知时需要转换markdown格式.

aspnet-core/Directory.Build.props

@@ -36,6 +36,7 @@
 		<SixLaborsImageSharpDrawingPackageVersion>2.0.1</SixLaborsImageSharpDrawingPackageVersion>
 		<SwashbuckleAspNetCorePackageVersion>6.5.0</SwashbuckleAspNetCorePackageVersion>
 		<PollyPackageVersion>8.2.0</PollyPackageVersion>
+		<MarkdigPackageVersion>0.34.0</MarkdigPackageVersion>
 		<MicrosoftPackageVersion>8.0.*</MicrosoftPackageVersion>
 		<MicrosoftEntityFrameworkCorePackageVersion>8.0.0</MicrosoftEntityFrameworkCorePackageVersion>
 		<XunitPackageVersion>2.6.1</XunitPackageVersion>

aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.Emailing/LINGYUN.Abp.Notifications.Emailing.csproj

@@ -10,6 +10,7 @@
 
 	<ItemGroup>
 		<PackageReference Include="Volo.Abp.Emailing" Version="$(VoloAbpPackageVersion)" />
+		<PackageReference Include="Markdig" Version="$(MarkdigPackageVersion)" />
 	</ItemGroup>
 
 	<ItemGroup>

aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.Emailing/LINGYUN/Abp/Notifications/Emailing/EmailingNotificationPublishProvider.cs

@@ -1,5 +1,6 @@
 using LINGYUN.Abp.Identity;
 using LINGYUN.Abp.RealTime.Localization;
+using Markdig;
 using Microsoft.Extensions.Localization;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
@@ -59,6 +60,11 @@ public class EmailingNotificationPublishProvider : NotificationPublishProvider
         {
             var title = notification.Data.TryGetData("title").ToString();
             var message = notification.Data.TryGetData("message").ToString();
+            // markdown进行处理
+            if (notification.ContentType == NotificationContentType.Markdown)
+            {
+                message = Markdown.ToHtml(message);
+            }
 
             await EmailSender.SendAsync(emailAddress, title, message);
         }
@@ -92,6 +98,12 @@ public class EmailingNotificationPublishProvider : NotificationPublishProvider
                 }
             }
 
+            // markdown进行处理
+            if (notification.ContentType == NotificationContentType.Markdown)
+            {
+                message = Markdown.ToHtml(message);
+            }
+
             await EmailSender.SendAsync(emailAddress, title, message);
         }
     }